ChartDirector 6.2 (.NET Edition)

Stacked Area Chart




This example demonstrates using multiple data sets to create stacked area chart.

The key features demonstrated in this example are:

Source Code Listing

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\stackedarea.cs
using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class stackedarea : DemoModule
    {
        //Name of demo module
        public string getName() { return "Stacked Area Chart"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 1; }

        //Main code for creating chart.
        //Note: the argument chartIndex is unused because this demo only has 1 chart.
        public void createChart(WinChartViewer viewer, int chartIndex)
        {
            // The data for the area chart
            double[] data0 = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56,
                60, 70, 76, 63, 67, 75, 64, 51};
            double[] data1 = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58,
                59, 73, 77, 84, 82, 80, 84, 89};
            double[] data2 = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23,
                16, 25, 9, 10, 5, 7, 16};
            string[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
                "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};

            // Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
            // (0xffffc0) with a black border (0x0)
            XYChart c = new XYChart(300, 210, 0xffffc0, 0x000000);

            // Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff)
            // background.
            c.setPlotArea(50, 30, 240, 140).setBackground(0xffffff);

            // Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt
            // Arial font with Transparent background.
            c.addLegend(50, 185, false, "", 8).setBackground(Chart.Transparent);

            // Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40)
            // background and a black border (0x0)
            c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(0xffff40, 0);

            // Set the y axis label format to US$nnnn
            c.yAxis().setLabelFormat("US${value}");

            // Set the labels on the x axis.
            c.xAxis().setLabels(labels);

            // Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
            c.xAxis().setLabelStep(2, 1);

            // Add an stack area layer with three data sets
            AreaLayer layer = c.addAreaLayer2(Chart.Stack);
            layer.addDataSet(data0, 0x4040ff, "Store #1");
            layer.addDataSet(data1, 0xff4040, "Store #2");
            layer.addDataSet(data2, 0x40ff40, "Store #3");

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='{dataSetName} sales at hour {xLabel}: US${value}K'");
        }
    }
}

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\stackedarea.vb
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class stackedarea
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "Stacked Area Chart"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 1
    End Function

    'Main code for creating chart.
    'Note: the argument chartIndex is unused because this demo only has 1 chart.
    Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
        Implements DemoModule.createChart

        ' The data for the area chart
        Dim data0() As Double = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, _
            56, 60, 70, 76, 63, 67, 75, 64, 51}
        Dim data1() As Double = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, _
            58, 59, 73, 77, 84, 82, 80, 84, 89}
        Dim data2() As Double = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, _
            4, 23, 16, 25, 9, 10, 5, 7, 16}
        Dim labels() As String = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", _
            "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"}

        ' Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
        ' (0xffffc0) with a black border (0x0)
        Dim c As XYChart = New XYChart(300, 210, &Hffffc0, &H000000)

        ' Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff)
        ' background.
        c.setPlotArea(50, 30, 240, 140).setBackground(&Hffffff)

        ' Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt Arial
        ' font with Transparent background.
        c.addLegend(50, 185, False, "", 8).setBackground(Chart.Transparent)

        ' Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40) background
        ' and a black border (0x0)
        c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(&Hffff40, 0)

        ' Set the y axis label format to US$nnnn
        c.yAxis().setLabelFormat("US${value}")

        ' Set the labels on the x axis.
        c.xAxis().setLabels(labels)

        ' Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
        c.xAxis().setLabelStep(2, 1)

        ' Add an stack area layer with three data sets
        Dim layer As AreaLayer = c.addAreaLayer2(Chart.Stack)
        layer.addDataSet(data0, &H4040ff, "Store #1")
        layer.addDataSet(data1, &Hff4040, "Store #2")
        layer.addDataSet(data2, &H40ff40, "Store #3")

        ' Output the chart
        viewer.Chart = c

        'include tool tip for the chart
        viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
            "title='{dataSetName} sales at hour {xLabel}: US${value}K'")

    End Sub

End Class

[WPF - C#] NetWPFCharts\stackedarea.cs
using System;
using ChartDirector;

namespace CSharpWPFDemo
{
    public class stackedarea : DemoModule
    {
        //Name of demo module
        public string getName() { return "Stacked Area Chart"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 1; }

        //Main code for creating chart.
        //Note: the argument chartIndex is unused because this demo only has 1 chart.
        public void createChart(WPFChartViewer viewer, int chartIndex)
        {
            // The data for the area chart
            double[] data0 = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56,
                60, 70, 76, 63, 67, 75, 64, 51};
            double[] data1 = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58,
                59, 73, 77, 84, 82, 80, 84, 89};
            double[] data2 = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23,
                16, 25, 9, 10, 5, 7, 16};
            string[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
                "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};

            // Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
            // (0xffffc0) with a black border (0x0)
            XYChart c = new XYChart(300, 210, 0xffffc0, 0x000000);

            // Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff)
            // background.
            c.setPlotArea(50, 30, 240, 140).setBackground(0xffffff);

            // Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt
            // Arial font with Transparent background.
            c.addLegend(50, 185, false, "", 8).setBackground(Chart.Transparent);

            // Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40)
            // background and a black border (0x0)
            c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(0xffff40, 0);

            // Set the y axis label format to US$nnnn
            c.yAxis().setLabelFormat("US${value}");

            // Set the labels on the x axis.
            c.xAxis().setLabels(labels);

            // Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
            c.xAxis().setLabelStep(2, 1);

            // Add an stack area layer with three data sets
            AreaLayer layer = c.addAreaLayer2(Chart.Stack);
            layer.addDataSet(data0, 0x4040ff, "Store #1");
            layer.addDataSet(data1, 0xff4040, "Store #2");
            layer.addDataSet(data2, 0x40ff40, "Store #3");

            // Output the chart
            viewer.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='{dataSetName} sales at hour {xLabel}: US${value}K'");
        }
    }
}

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\stackedarea.aspx
(Click here on how to convert this code to code-behind style.)
<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<script runat="server">

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    // The data for the area chart
    double[] data0 = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60, 70,
        76, 63, 67, 75, 64, 51};
    double[] data1 = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73,
        77, 84, 82, 80, 84, 89};
    double[] data2 = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23, 16, 25,
        9, 10, 5, 7, 16};
    string[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13",
        "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};

    // Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
    // (0xffffc0) with a black border (0x0)
    XYChart c = new XYChart(300, 210, 0xffffc0, 0x000000);

    // Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff) background.
    c.setPlotArea(50, 30, 240, 140).setBackground(0xffffff);

    // Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt Arial
    // font with Transparent background.
    c.addLegend(50, 185, false, "", 8).setBackground(Chart.Transparent);

    // Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40) background and
    // a black border (0x0)
    c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(0xffff40, 0);

    // Set the y axis label format to US$nnnn
    c.yAxis().setLabelFormat("US${value}");

    // Set the labels on the x axis.
    c.xAxis().setLabels(labels);

    // Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
    c.xAxis().setLabelStep(2, 1);

    // Add an stack area layer with three data sets
    AreaLayer layer = c.addAreaLayer2(Chart.Stack);
    layer.addDataSet(data0, 0x4040ff, "Store #1");
    layer.addDataSet(data1, 0xff4040, "Store #2");
    layer.addDataSet(data2, 0x40ff40, "Store #3");

    // Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG);

    // Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "",
        "title='{dataSetName} sales at hour {xLabel}: US${value}K'");
}

</script>

<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\stackedarea.aspx
(Click here on how to convert this code to code-behind style.)
<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<script runat="server">

'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

    ' The data for the area chart
    Dim data0() As Double = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, _
        60, 70, 76, 63, 67, 75, 64, 51}
    Dim data1() As Double = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, _
        59, 73, 77, 84, 82, 80, 84, 89}
    Dim data2() As Double = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, _
        23, 16, 25, 9, 10, 5, 7, 16}
    Dim labels() As String = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", _
        "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"}

    ' Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow (0xffffc0)
    ' with a black border (0x0)
    Dim c As XYChart = New XYChart(300, 210, &Hffffc0, &H000000)

    ' Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff) background.
    c.setPlotArea(50, 30, 240, 140).setBackground(&Hffffff)

    ' Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt Arial font
    ' with Transparent background.
    c.addLegend(50, 185, False, "", 8).setBackground(Chart.Transparent)

    ' Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40) background and
    ' a black border (0x0)
    c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(&Hffff40, 0)

    ' Set the y axis label format to US$nnnn
    c.yAxis().setLabelFormat("US${value}")

    ' Set the labels on the x axis.
    c.xAxis().setLabels(labels)

    ' Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
    c.xAxis().setLabelStep(2, 1)

    ' Add an stack area layer with three data sets
    Dim layer As AreaLayer = c.addAreaLayer2(Chart.Stack)
    layer.addDataSet(data0, &H4040ff, "Store #1")
    layer.addDataSet(data1, &Hff4040, "Store #2")
    layer.addDataSet(data2, &H40ff40, "Store #3")

    ' Output the chart
    WebChartViewer1.Image = c.makeWebImage(Chart.PNG)

    ' Include tool tip for the chart
    WebChartViewer1.ImageMap = c.getHTMLImageMap("", "", _
        "title='{dataSetName} sales at hour {xLabel}: US${value}K'")

End Sub

</script>

<html>
<body>
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\StackedareaController.cs
using System;
using System.Web.Mvc;
using ChartDirector;

namespace NetMvcCharts.Controllers
{
    public class StackedareaController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "Stacked Area Chart";
            createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1"));
            return View("~/Views/Shared/ChartView.cshtml");
        }

        //
        // Create chart
        //
        private void createChart(RazorChartViewer viewer)
        {
            // The data for the area chart
            double[] data0 = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60, 70,
                76, 63, 67, 75, 64, 51};
            double[] data1 = {50, 45, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73,
                77, 84, 82, 80, 84, 89};
            double[] data2 = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17, 4, 23, 16,
                25, 9, 10, 5, 7, 16};
            string[] labels = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13",
                "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};

            // Create a XYChart object of size 300 x 210 pixels. Set the background to pale yellow
            // (0xffffc0) with a black border (0x0)
            XYChart c = new XYChart(300, 210, 0xffffc0, 0x000000);

            // Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white (0xffffff)
            // background.
            c.setPlotArea(50, 30, 240, 140).setBackground(0xffffff);

            // Add a legend box at (50, 185) (below of plot area) using horizontal layout. Use 8pt Arial
            // font with Transparent background.
            c.addLegend(50, 185, false, "", 8).setBackground(Chart.Transparent);

            // Add a title box to the chart using 8pt Arial Bold font, with yellow (0xffff40) background
            // and a black border (0x0)
            c.addTitle("Sales Volume", "Arial Bold", 8).setBackground(0xffff40, 0);

            // Set the y axis label format to US$nnnn
            c.yAxis().setLabelFormat("US${value}");

            // Set the labels on the x axis.
            c.xAxis().setLabels(labels);

            // Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining labels.
            c.xAxis().setLabelStep(2, 1);

            // Add an stack area layer with three data sets
            AreaLayer layer = c.addAreaLayer2(Chart.Stack);
            layer.addDataSet(data0, 0x4040ff, "Store #1");
            layer.addDataSet(data1, 0xff4040, "Store #2");
            layer.addDataSet(data2, 0x40ff40, "Store #3");

            // Output the chart
            viewer.Image = c.makeWebImage(Chart.PNG);

            // Include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("", "",
                "title='{dataSetName} sales at hour {xLabel}: US${value}K'");
        }
    }
}

[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml
@{ Layout = null; }

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>@ViewBag.Title</title>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        @ViewBag.Title
    </div>
    <hr style="border:solid 1px #000080" />
    <div>
        @{
            if (ViewBag.Viewer is Array)
            {
                // Display multiple charts
                for (int i = 0; i < ViewBag.Viewer.Length; ++i)
                {
                    @:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
                }
            }
            else
            {
                // Display one chart only
                @:@Html.Raw(ViewBag.Viewer.RenderHTML())
            }
        }
    </div>
</body>
</html>